| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | T, F & B Oil Company, LLC | Oil Operator | Jan 2013 | |
| 2 | Texaco Producing Inc. | Rock Springs, WY 82901 | Oil & Gas Operator | Dec 2000 |
| 3 | Texas Petroleum Investment Company | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 4 | The Stone Oil Corporation | Oil & Gas Operator | May 1985 | |
| 5 | Torch Operating Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
| 6 | Tradition Resources Oper, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2017 |
| 7 | Transcontinental Gas P/L Corp. | Oil & Gas Operator | Dec 2009 | |
| 8 | Transcontinental Gas Pipeline Co LLC | Oil Operator | Jan 2025 | |
| 9 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | Oct 2025 |